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[The physicochemical anticomplement properties of alpha 2-macroglobulin for intravenous administration]

P M Perekhrestenko, K A Lobunets, M S Voloshina

    Likars'Ka Sprava
    |February 1, 1993
    PubMed

    Insights

    Stabilized alpha-2-macroglobulin maintains its properties and anticomplement activity for one year when stored at 6°C. This indicates the concentrate is safe and ready for intravenous administration.

    Area of Science:

    • Biochemistry
    • Immunology
    • Pharmacology

    Background:

    • Alpha-2-macroglobulin is a crucial proteinase inhibitor with therapeutic potential.
    • Maintaining the stability and biological activity of alpha-2-macroglobulin concentrates is essential for clinical applications.

    Purpose of the Study:

    • To evaluate the long-term stability and biological properties of a stabilized alpha-2-macroglobulin composition.
    • To determine the safety and suitability of the stabilized concentrate for intravenous administration.

    Main Methods:

    • Storage of stabilized alpha-2-macroglobulin composition at (6 +/- 2) degrees C for one year.
    • Assessment of physico-chemical properties.
    • Evaluation of biological properties, specifically anticomplement activity.

    Main Results:

    • The stabilized alpha-2-macroglobulin composition retained its physico-chemical properties throughout the one-year storage period.
    • Anticomplement activity remained unchanged during storage, indicating preserved biological function.
    • The concentrate demonstrated safety for the body, confirmed by unchanged anticomplement activity.

    Conclusions:

    • Stabilized alpha-2-macroglobulin exhibits excellent stability for at least one year under refrigerated conditions.
    • The stabilized concentrate maintains its therapeutic potential and is safe for intravenous administration.
    • This finding supports the clinical readiness of the stabilized alpha-2-macroglobulin for therapeutic use.

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